As a homeowner in the greater Seattle area, protecting your property from plumbing-related issues is of utmost importance. One of the most common problems that can arise is leaks in your sewer and water lines. These leaks can cause significant damage, not to mention health hazards in the case of sewer gas leaks.

To ensure the safety and integrity of your home, it’s crucial to be proactive in detecting and preventing leaks. At N.W. Sewer & Drain, our comprehensive leak detection services provided by our reputable Sewer and Drain Service and Repair professionals have the solutions. From sewer gas leak detection to water leak identification, we have you covered.

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Over 15 Years of Experience

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Over 15 Years of Experience

Licensed, Insured, Bonded

Locally Owned & Operated

Sewer Gas Leak Detection Services

Signs of Sewer Gas Leaks in Homes

Sewer gas leaks can pose severe health risks and unpleasant odors in your home. Sewer gas, which primarily consists of methane, hydrogen sulfide, and ammonia, is a byproduct of decaying organic matter in the sewer system. If you notice foul smells, increased humidity, or damaged vegetation in your yard, it might indicate a sewer gas leak. Additionally, the presence of flies or other pests around drains can be a potential indicator.

DIY Methods for Detecting Sewer Gas Leaks

While professional help is recommended for sewer gas leak detection, there are some initial steps you can take to identify potential issues. Check for loose or damaged sewer pipe connections, as these can allow gas to escape into your home. You can also perform a simple smoke test by lighting a stick of incense near drains and observing if the smoke is pulled down the drain or pushed out into the room.

Professional Sewer Gas Leak Detection Techniques

Our expert team employs state-of-the-art equipment and innovative technology to pinpoint sewer gas leaks accurately. One such method is the use of gas detectors, which can detect even trace amounts of sewer gas. Additionally, we may perform a video camera inspection of your sewer lines to visually assess their condition and identify any potential sources of leaks.

humid leaking pipe of a central air conditioning system and cold water drops on it

Water Leak Detection Services

Identifying Signs of Water Leaks in Homes

Water leaks can wreak havoc on your property, leading to water damage, mold growth, and increased water bills. Identifying the early signs of water leaks is crucial for timely intervention. Look out for damp spots or discoloration on walls, ceilings, or floors, which may indicate hidden leaks. 

Large water spots can indicate a leak that has grown over time causing excess damage to the area around your pipe. In addition, if you are experiencing a musty or moldy smell when you walk into those areas it can indicate the pipe is actively leaking and causing mold or bacteria to grow around the pipe leak.

Another sign of a possible leaking pipe are abnormal spikes in your water bill. When a pipe leaks, it begins to leak additional water on top of the water you are already utilizing in your home. If you notice a drastic change in your water bill, contact your local professionals to take a look at your pipes.

DIY Methods for Detecting Water Leaks

Before reaching out to professionals, you can attempt some DIY methods to detect water leaks.

When you are not a plumbing professional, detecting a possible leak in your pipes can be difficult. Unfortunately, leaking pipes are among the many common problems that occur within both residential and commercial properties, causing a great deal of property damage if left untreated.

However, one common DIY method is to monitor your water meter for any unexplained fluctuations. Simply shut off all water sources in your home and check if the meter continues to move, which could indicate an active leak.

Professional Water Leak Detection Techniques

Our experienced team utilizes advanced water leak detection techniques that allow us to find the smallest pinhole leaks within your system. 

Our Leak Detection Process

Advanced Equipment and Technology Used

We believe in staying at the forefront of technology to provide our customers with the best service. Our arsenal of advanced equipment includes smoke and odor testing or slab leak detection to determine the location of the leak and how to properly solve the problem.

Expert Team with Years of Experience

Our team of skilled technicians has years of experience in leak detection and repair. Each member is extensively trained to handle various types of leaks, ensuring efficient and accurate detection.

Non-Destructive Methods for Leak Detection

Preserving the integrity of your property is a top priority for us. Our non-destructive leak detection methods allow us to locate leaks without causing unnecessary damage to your property. This approach not only saves you money on repairs but also minimizes disruption to your daily life.

Why Choose Us for Leak Detection?

Reliability and Professionalism

Trust and reliability are the pillars of our service. Our team is committed to providing exceptional leak detection services with the utmost professionalism. You can count on us to be transparent, honest, and dedicated to resolving your leak issues efficiently.

Timely Response and Efficient Service

We understand the urgency of leak detection, and our prompt response ensures that we address your concerns in a timely manner. Our efficient service process allows us to quickly identify the source of the leak and provide you with effective solutions.

Preventive Tips for Leak Prevention

Home Maintenance Tips to Avoid Leaks

Prevention is key to avoiding leak-related disasters. Regularly inspect your plumbing system for signs of leaks and address any issues promptly. Additionally, taking these home maintenance steps can help you avoid leaks:

  1. Regular Drain Cleaning: Regular drain cleaning is essential to prevent clogs and blockages that can lead to leaks in residential drain pipes. Over time, debris, grease, hair, and other substances can accumulate in the pipes, restricting the flow of water. This buildup puts extra pressure on the pipe walls and joints, increasing the risk of leaks. To avoid this, schedule periodic drain cleaning to keep your pipes clear and flowing smoothly. You can use environmentally friendly drain cleaners or consult a professional plumbing service for a more thorough cleaning.
  2. Be Mindful of What Goes Down the Drain: Being mindful of what you allow to go down your drains can significantly reduce the risk of leaks. Avoid pouring grease, oil, coffee grounds, food scraps, and other non-dissolvable materials down the kitchen sink. In the bathroom, prevent hair, dental floss, and hygiene products from entering the drains. Using drain catchers or strainers can help trap solid particles and prevent them from clogging the pipes. Additionally, avoid flushing non-biodegradable items down the toilet, as they can cause blockages and leaks in the sewer lines.
  3. Monitor Water Pressure: High water pressure can put excessive strain on your residential drain pipes, potentially leading to leaks or pipe bursts. To prevent this, regularly monitor your water pressure and ensure it stays within the recommended range (typically between 40 and 80 psi). If the water pressure is too high, consider installing a pressure regulator to keep it at an optimal level. Proper water pressure regulation not only protects your drain pipes but also helps conserve water and lowers the risk of other plumbing issues.

Educating Homeowners on Leak Prevention

Empowering homeowners with knowledge is part of our service philosophy. We educate our customers on leak prevention strategies, such as installing leak detection devices and performing routine maintenance, to help them safeguard their homes from potential leaks.

Importance of Regular Plumbing Inspections

Regular plumbing inspections are crucial to catch potential issues before they escalate. We recommend scheduling annual inspections to detect and address any minor leaks or plumbing problems early on, saving you from costly repairs in the long run.

Contact Your Seattle Leak Detection Experts Today

Protecting your home from leaks requires a proactive approach, and our expert leak detection services are here to help. Whether it’s sewer gas leaks or water leaks, our advanced equipment, experienced team, and non-destructive methods ensure accurate detection and efficient solutions.

Choose us for reliable, professional, and timely leak detection services, and let us help you maintain a leak-free and safe home in the greater Seattle area. Don’t wait for leaks to cause significant damage – take preventive measures and stay informed about leak prevention strategies. Together, we can safeguard your property and ensure peace of mind for you and your family.

Our team provides leak detection services to the residents of Seattle, Marysville, Everett, Lynwood, Redmond, Mt. Lake Terrace, Kirkland, Bothell, Bellevue, Queen Anne, Capitol Hill, Shoreline, and Edmonds, Washington. If you are experiencing a pipe leak, do not hesitate to contact your local professionals at N.W. Sewer & Drain at 206-931-7728 to schedule an inspection of your plumbing.


Our team of experienced professionals can provide you with a variety of pipe inspection, cleaning, repair, and replacement services that can maintain, rehabilitate, and restore your pipes to their proper function.

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